These are really delicious and light.

4 medium zucchini, halved lengthways
2 tbsp butter
1 medium onion, finely chopped
3 cloves garlic, minced
salt and freshly ground pepper
2 large organic eggs, lightly beaten
4 oz strong cheddar cheese, grated
3 oz crumbled feta cheese
1 1/2 tbsp all purpose flour
1 tbsp fresh dill or 1/2 tbsp dried dill weed
1/4 tsp paprika to sprinkle

Heat the oven to 375 F

Scoop out the insides of the zucchini with either a small teaspoon or a melon baller leaving about a 1/4 inch rim around the zucchini to hold it’s shape
Place the zucchini halves in a 9″ by 13″ baking dish, cut side up and set aside.
Chop the zucchini flesh.
Melt the butter in a skillet over medium high heat, add the chopped zucchini, onion and garlic.
Cook, stirring often, until softened, about 5 to 6 minutes.
Add salt and pepper to taste and transfer to a bowl.
Lightly mix in the eggs, cheeses, flour and dill.
Spoon the mixture in to the zucchini halves and sprinkle lightly with paprika.
Bake until hot, bubbling, golden and fork tender,(about 30 mins or so) and serve hot or at room temperature.